Home / 671,780.50-1,007,674.40-173,144.50

Finding the Fourth Proportional to 671,780.50, 1,007,674.40 and 173,144.50

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Solution

The fourth proportional to 671,780.50, 1,007,674.40 and 173,144.50 is: 259,717.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,780.50 : 1,007,674.40 = 173,144.50 : x
  2. Step 2: Convert to fraction form
    671,780.50/1,007,674.40 = 173,144.50/x
  3. Step 3: Cross multiply
    671,780.50x = 1,007,674.40 × 173,144.50
  4. Step 4: Simplify right side
    671,780.50x = 174,473,280,150.80
  5. Step 5: Solve for x
    x = 174,473,280,150.80/671,780.50
  6. Step 6: Final answer
    x = 259,717.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.